From e525a74cc413846deca792d3e39249bdccaf9b6b Mon Sep 17 00:00:00 2001
From: Martti Malmi <sirius@iki.fi>
Date: Wed, 9 Aug 2023 17:50:17 +0300
Subject: [PATCH] allow upload img by pasting into public message field

---
 src/js/components/PublicMessageForm.tsx | 32 ++++++++++++++++++++++++-
 src/js/components/buttons/Upload.tsx    | 27 ++++++++++-----------
 src/js/utils/uploadFile.ts              | 21 ++++++++++++++++
 3 files changed, 64 insertions(+), 16 deletions(-)
 create mode 100644 src/js/utils/uploadFile.ts

diff --git a/src/js/components/PublicMessageForm.tsx b/src/js/components/PublicMessageForm.tsx
index 980a902b..cb520f56 100644
--- a/src/js/components/PublicMessageForm.tsx
+++ b/src/js/components/PublicMessageForm.tsx
@@ -3,6 +3,8 @@ import $ from 'jquery';
 import { Event } from 'nostr-tools';
 import { createRef } from 'preact';
 
+import { uploadFile } from '@/utils/uploadFile';
+
 import Component from '../BaseComponent';
 import Helpers from '../Helpers';
 import Icons from '../Icons';
@@ -95,13 +97,40 @@ class PublicMessageForm extends Component<IProps, IState> {
   }
 
   onMsgTextPaste(event) {
-    const pasted = (event.clipboardData || window.clipboardData).getData('text');
+    const clipboardData = event.clipboardData || window.clipboardData;
+
+    // Handling magnet links
+    const pasted = clipboardData.getData('text');
     const magnetRegex = /(magnet:\?xt=urn:btih:.*)/gi;
     const match = magnetRegex.exec(pasted);
     console.log('magnet match', match);
     if (match) {
       this.setState({ torrentId: match[0] });
     }
+
+    if (clipboardData.items) {
+      const items = clipboardData.items;
+      for (let i = 0; i < items.length; i++) {
+        if (items[i].type.startsWith('image/')) {
+          const blob = items[i].getAsFile();
+          uploadFile(
+            blob,
+            (url) => {
+              const textEl = $(this.newMsgRef.current);
+              const currentVal = textEl.val();
+              if (currentVal) {
+                textEl.val(currentVal + '\n\n' + url);
+              } else {
+                textEl.val(url);
+              }
+            },
+            (errorMsg) => {
+              console.error(errorMsg);
+            },
+          );
+        }
+      }
+    }
   }
 
   onKeyUp(e) {
@@ -142,6 +171,7 @@ class PublicMessageForm extends Component<IProps, IState> {
   }
 
   attachmentsChanged(event) {
+    // TODO use Upload btn
     const files = event.target.files || event.dataTransfer.files;
     if (files) {
       for (let i = 0; i < files.length; i++) {
diff --git a/src/js/components/buttons/Upload.tsx b/src/js/components/buttons/Upload.tsx
index fc81da06..ef3d511d 100644
--- a/src/js/components/buttons/Upload.tsx
+++ b/src/js/components/buttons/Upload.tsx
@@ -1,27 +1,24 @@
 import { useState } from 'react';
 
+import { uploadFile } from '@/utils/uploadFile';
+
 const Upload = (props) => {
   const [error, setError] = useState('');
+
   const handleFileUpload = (event) => {
     const files = event.target.files || event.dataTransfer.files;
     if (files && files.length) {
-      const formData = new FormData();
-      formData.append('fileToUpload', files[0]);
-
-      fetch('https://nostr.build/api/upload/iris.php', {
-        method: 'POST',
-        body: formData,
-      })
-        .then(async (response) => {
-          const url = await response.json();
-          if (url && props.onUrl) {
+      uploadFile(
+        files[0],
+        (url) => {
+          if (props.onUrl) {
             props.onUrl(url);
           }
-        })
-        .catch((error) => {
-          console.error('upload error', error);
-          setError('upload failed: ' + JSON.stringify(error));
-        });
+        },
+        (errorMsg) => {
+          setError(errorMsg);
+        },
+      );
     }
   };
 
diff --git a/src/js/utils/uploadFile.ts b/src/js/utils/uploadFile.ts
new file mode 100644
index 00000000..ce46d196
--- /dev/null
+++ b/src/js/utils/uploadFile.ts
@@ -0,0 +1,21 @@
+export const uploadFile = (file, onUrlCallback, onErrorCallback) => {
+  const formData = new FormData();
+  formData.append('fileToUpload', file);
+
+  fetch('https://nostr.build/api/upload/iris.php', {
+    method: 'POST',
+    body: formData,
+  })
+    .then(async (response) => {
+      const url = await response.json();
+      if (url && onUrlCallback) {
+        onUrlCallback(url);
+      }
+    })
+    .catch((error) => {
+      console.error('upload error', error);
+      if (onErrorCallback) {
+        onErrorCallback('upload failed: ' + JSON.stringify(error));
+      }
+    });
+};